Kidney calculi is different from gallstones. This is not a hole, but a gravel. Gravel does not need to be handled. As for the cost of surgery, it mainly depends on the size of stones. Stones within a centimeter need to be crushed once or twice. It's 500 yuan every time. This is the gravel fee. As for hospitalization expenses, it mainly depends on the time of stone removal. It usually takes a week to break. This is the general situation. If you want to know the details, you can contact the Lithotripsy Department of 363 Hospital! Don't forget to give points. I hope I can help you.